The shadow (underground) economy plays a major role in many countries. People evade taxes and regulations by working in the shadow economy or by employing people illegally. On the one hand, this unregulated economic activity can result in reduced tax revenue and public goods and services, lower...

The Non-Observed Economy (NOE) vs. the Shadow Economy (SE) display large discrepancies throughout the European Union transition countries, in particular in Poland. A tractable taxonomy of unobserved activities is designed according to both definition and scope. Direct measurements from tax...